26.下列何種結構可收縮血管?
(A)外膜層(tunica adventitia)
(B)中膜層(tunica media)
(C)內膜層(tunica intima)
(D)基底層(basement membrane)
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統計: A(46), B(183), C(87), D(40), E(0) #1149625
統計: A(46), B(183), C(87), D(40), E(0) #1149625